Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David R. Buchanan — 1 Patent

TSThree-Five Systems: 1 patents #14 of 35Top 40%
Scottsdale, AZ: #1,977 of 3,386 inventorsTop 60%
Arizona: #18,529 of 32,909 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
David R. Buchanan has been granted 1 US patent while listed as an inventor at Three-Five Systems. All of these patents were granted in 1999. David R. Buchanan ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list David R. Buchanan in Scottsdale, AZ, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5993012 Optical docking station Dan J. Schott, Bart Millikan 1999-11-30 $5,860,000